Finding the Fourth Proportional to 97,089,192.20, 145,535,810.70 and 48,492,302.60
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Solution
The fourth proportional to 97,089,192.20, 145,535,810.70 and 48,492,302.60 is: 72,689,517.87
Step by Step Solution
- Step 1: Write the proportion equation
97,089,192.20 : 145,535,810.70 = 48,492,302.60 : x - Step 2: Convert to fraction form
97,089,192.20/145,535,810.70 = 48,492,302.60/x - Step 3: Cross multiply
97,089,192.20x = 145,535,810.70 × 48,492,302.60 - Step 4: Simplify right side
97,089,192.20x = 7,057,366,571,600,717 - Step 5: Solve for x
x = 7,057,366,571,600,717/97,089,192.20 - Step 6: Final answer
x = 72,689,517.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.